CN217589006U - Fuel cell main water pump performance test system - Google Patents
Fuel cell main water pump performance test system Download PDFInfo
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- CN217589006U CN217589006U CN202122983657.2U CN202122983657U CN217589006U CN 217589006 U CN217589006 U CN 217589006U CN 202122983657 U CN202122983657 U CN 202122983657U CN 217589006 U CN217589006 U CN 217589006U
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- water pump
- main water
- circulating pipe
- pipe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model provides a fuel cell main water pump performance test system, which comprises a circulating pipe and a heating pipe; the head and the tail ends of the circulating pipe are connected to a main water pump to be tested to form a circulating pipeline, a stop valve and a flowmeter are sequentially arranged on the circulating pipe, a temperature and pressure integrated sensor and a pressure sensor are further arranged on the two sides of the main water pump respectively, a heater is arranged on the heating pipe, and the two sides of the heating pipe are connected to the two sides of the stop valve respectively. The utility model has the advantages that: the heater is arranged on the heating pipe of the testing system, the heater can heat the cooling liquid in the circulating pipe to the temperature of the cooling liquid during actual working in the fuel cell system, so that the main water pump can operate under the approximate actual working condition, the accuracy of performance parameter measurement of the main water pump of the fuel cell can be improved, and the testing system is simple in structure, convenient to build and convenient to operate.
Description
Technical Field
The utility model relates to a fuel cell testing arrangement technical field especially relates to a fuel cell main water pump capability test system.
Background
The fuel cell system is the most important part of the (fuel cell) hydrogen energy automobile, and the fuel cell system provides power for the operation of the hydrogen energy automobile. Be equipped with main water pump in the fuel cell, main water pump drive coolant liquid circulation flows, make the fuel cell pile maintain in suitable temperature range, be one of the key part of maintaining fuel cell engine normal operating, the good and bad of main water pump performance will directly influence the operating stability of fuel cell engine, flow and lift data of water pump itself are often only tested to traditional water pump performance detection method, do not have accurate parameter control to the liquid that transports, but in fuel cell's main water pump's actual work, the coolant liquid of transport is in stable higher temperature for a long time. The viscosity of the cooling liquid is greatly changed at normal temperature and high temperature, so that the evaluation of the performance of the water pump is influenced to a certain extent, and the performance parameters of the fuel cell main water pump under the actual working conditions cannot be accurately measured by the traditional water pump testing device.
SUMMERY OF THE UTILITY MODEL
In view of this, for the accuracy of improvement fuel cell main water pump at the performance parameter survey, make fuel cell main water pump test procedure convenient quick, the utility model provides a fuel cell main water pump capability test system, include the circulating pipe and connect the heating pipe on the circulating pipe.
The head end and the tail end of the circulating pipe are connected to a main water pump to be tested to form a circulating pipeline, cooling liquid is filled in the circulating pipe, and the cooling liquid in the circulating pipe is made to circularly flow in the circulating pipe by the main water pump.
The cooling system is characterized in that a stop valve and a flowmeter are sequentially arranged on the circulating pipe, a temperature and pressure integrated sensor and a pressure sensor are respectively arranged on two sides of the main water pump, and the main water pump is used for enabling cooling liquid in the circulating pipe to circularly flow in the circulating pipe.
The heating pipe is provided with a heater, two sides of the heating pipe are respectively connected to two sides of the stop valve, so that the stop valve is connected with the heater in parallel, and the heater is used for heating cooling liquid in the circulating pipe.
The liquid supplementing pipe is provided with an expansion box body, cooling liquid is filled in the expansion box body, the liquid supplementing pipe is connected to the circulating pipe, and two ends of the liquid supplementing pipe are respectively connected to two sides of the flowmeter.
Furthermore, a radiator is further arranged on the circulating pipe and located between the flowmeter and the stop valve, and the radiator prevents the temperature of cooling liquid in the circulating pipe from being too high.
Further, a heat dissipation fan is arranged in the heat sink.
Furthermore, an adjusting valve is arranged between the stop valves of the main water pump and used for adjusting the flow of the cooling liquid in the circulating pipe.
Furthermore, the main water pump is connected with a power consumption measuring instrument, and the power consumption measuring instrument measures the power consumption of the main water pump in real time.
The utility model provides a fuel cell main water pump capability test system's beneficial effect does: the heating pipe is arranged in the circulating pipeline of the testing system, the heater is arranged on the heating pipe, the heater can heat the cooling liquid in the circulating pipe to the temperature of the cooling liquid in the fuel cell system during actual working, and therefore the main water pump can operate under the approximate actual working condition, the accuracy of performance parameter measurement of the main water pump of the fuel cell can be improved, the testing system is simple in structure, and the testing system is convenient to build and operate.
Drawings
Fig. 1 is a schematic diagram of an air bypass supply system for a fuel cell according to the present invention.
In the above figures: 1. a flow meter; 2. an expansion box body; 3. a temperature and pressure integrated sensor; 4. a main water pump; 5. a pressure sensor; 6. adjusting a valve; 7. a stop valve; 8. a heater; 9. a radiator 10, a circulating pipe 11, a heating pipe 12 and a liquid supplementing pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be further described below with reference to the accompanying drawings.
Referring to fig. 1, a fuel cell main water pump performance testing system includes a circulation pipe 10, a liquid supplementing pipe 12 and a heating pipe 11, the head and tail ends of the circulation pipe 10 are connected to a main water pump 4 to be tested to form a circulation pipeline, a cooling liquid is filled in the circulation pipe 10, the main water pump 4 enables the cooling liquid to circulate in the circulation pipe 10, the circulation pipe 10 is sequentially provided with a regulating valve 6, a stop valve 7, a radiator 8 and a flowmeter 1, two sides of the main water pump 4 are respectively provided with a temperature and pressure integrated sensor 3 and a pressure sensor 5, and the temperature and pressure integrated sensor 3 and the pressure sensor 5 are connected to the circulation pipe 10.
The opening degree of the regulating valve 6 is adjustable, and the regulating valve 6 can regulate the flow in the circulating pipe 10 by regulating the opening degree; the flow meter 1 is used to measure the flow of coolant in the loop 10.
The temperature and pressure integrated sensor 3 measures the temperature of the cooling liquid in the circulation pipe 10 and the pressure of the cooling liquid entering the main water pump 4, and the pressure sensor 5 measures the pressure of the cooling liquid pumped out by the main water pump to determine the lift of the main water pump 4.
The liquid supplementing pipe 12 and the heating pipe 11 are both indirectly connected to the circulating pipe 10, the liquid supplementing pipe 12 is provided with an expansion box body 2, two ends of the liquid supplementing pipe 12 are respectively connected to two sides of the flowmeter 1, so that the expansion box body 2 is connected with the flowmeter 1 in parallel, cooling liquid is filled in the expansion box body 2, and the expansion box body 2 is used for buffering volume change of the cooling liquid in the circulating pipe 10 caused by temperature change, removing gas in the circulating pipe 10 and stabilizing pressure of the cooling liquid in the circulating pipe 10.
The heating pipe 11 is provided with a heater 8, two sides of the heating pipe 8 are respectively connected with two sides of the stop valve 7, so that the stop valve 7 is connected with the heater 8 in parallel, the stop valve 7 is closed, the cooling liquid in the circulating pipe 10 flows through the heater 8 in the circulating process, the heater 8 heats the cooling liquid in the circulating pipe 10, the temperature of the cooling liquid is raised to a test temperature, and the radiator 8 is used for dissipating heat carried by the cooling liquid, so that the continuous rise of the temperature caused by the heat generated by friction of the cooling liquid is prevented.
Further, a heat dissipation fan is disposed in the heat sink 9, the heat dissipation fan can improve the heat dissipation efficiency of the heat sink 9, and the heater 8 is a PTC heater.
Furthermore, the main water pump 7 is connected with a power consumption measuring instrument, and the power consumption measuring instrument measures the power consumption of the main water pump 4 in real time.
The working process of the fuel cell main water pump performance testing system of the embodiment is as follows:
s1: opening the regulating valve 6, closing the stop valve 7, starting the main water pump 4 to enable the cooling liquid to circularly flow in the circulating pipe 10, and simultaneously opening the heater 8 to enable the heater 8 to heat the cooling liquid in the circulating pipe 10;
s2: after the temperature of the cooling liquid in the circulating pipe 10 rises to the test temperature range (the test temperature and the temperature of the cooling liquid actually working in the fuel cell system), the heater 8 is closed, the stop valve 7 is opened, and the radiator 9 is started to maintain the temperature of the cooling liquid in the test temperature range;
s3: controlling the running rotating speed of the main water pump 4; the opening of the regulating valve 6 is controlled to regulate the flow rate of the coolant in the circulation line.
S4: after the operation is stable, reading values of the flowmeter 1, the temperature and pressure integrated sensor 3 and the pressure sensor 5 are recorded, wherein the reading values are the cooling liquid flow, the cooling liquid temperature and the pressure values before and after the main water pump in the corresponding circulating pipeline 10, and meanwhile, power consumption data of the main water pump are collected through a power consumption measuring instrument;
s5: repeating the step S3 and the step S4 for multiple times according to required working conditions; and (5) processing the data recorded in the step (S3) and the step (S4) and drawing a curve of rotating speed-flow-lift/power consumption.
In this document, the terms front, back, upper, lower and the like in the drawings are used for the sake of clarity and convenience only for the components are located in the drawings and the positions of the components relative to each other. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The utility model provides a fuel cell main water pump capability test system which characterized in that: comprises a circulating pipe and a heating pipe connected with the circulating pipe;
the head end and the tail end of the circulating pipe are connected to a main water pump to be tested to form a circulating pipeline, cooling liquid is filled in the circulating pipe, and the cooling liquid in the circulating pipe circularly flows in the circulating pipe through the main water pump;
the circulating pipe is sequentially provided with a stop valve and a flowmeter, two sides of the main water pump are respectively provided with a temperature and pressure integrated sensor and a pressure sensor, and the main water pump is used for enabling cooling liquid in the circulating pipe to circularly flow in the circulating pipe;
the heating pipe is provided with a heater, two sides of the heating pipe are respectively connected to two sides of the stop valve, so that the stop valve is connected with the heater in parallel, and the heater is used for heating cooling liquid in the circulating pipe.
2. The fuel cell main water pump performance testing system of claim 1, characterized in that: the liquid supplementing pipe is provided with an expansion box body, cooling liquid is filled in the expansion box body, the liquid supplementing pipe is connected to the circulating pipe, and two ends of the liquid supplementing pipe are respectively connected to two sides of the flowmeter.
3. The fuel cell main water pump performance testing system of claim 1, characterized in that: the circulating pipe is also provided with a radiator, the radiator is positioned between the flowmeter and the stop valve, and the radiator prevents the temperature of cooling liquid in the circulating pipe from being too high.
4. The fuel cell main water pump performance testing system of claim 3, characterized in that: a heat dissipation fan is arranged in the radiator.
5. The fuel cell main water pump performance testing system of claim 1, characterized in that: the main water pump is also provided with a regulating valve between the stop valves, and the regulating valve regulates the flow of the cooling liquid in the circulating pipe.
6. The fuel cell main water pump performance testing system of claim 1, characterized in that: the main water pump is connected with a power consumption measuring instrument, and the power consumption measuring instrument measures the power consumption of the main water pump in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122983657.2U CN217589006U (en) | 2021-11-29 | 2021-11-29 | Fuel cell main water pump performance test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122983657.2U CN217589006U (en) | 2021-11-29 | 2021-11-29 | Fuel cell main water pump performance test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217589006U true CN217589006U (en) | 2022-10-14 |
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ID=83524876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122983657.2U Active CN217589006U (en) | 2021-11-29 | 2021-11-29 | Fuel cell main water pump performance test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217589006U (en) |
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2021
- 2021-11-29 CN CN202122983657.2U patent/CN217589006U/en active Active
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